We renovate a classic experiment to define a research platform that provides data on network behavior and the causal effect of access to structural holes. Our hypothesis is that people are perceived to be leaders when they behave as network brokers, which is to say, when they coordinate...

Current theoretical arguments highlight the negative implications of cohesion in a network neighborhood for relationships with outsiders. We present argument and evidence illustrating the importance of knowledge overlap inside a neighborhood in moderating the negative internal cohesion effect....